What's Up: September 2021

September 2021 skywatching highlights: Jupiter, Saturn, and Venus are easy to spot in the evening sky, and if you're far enough south, you might spot Mercury. Plus, speedy stars Altair and Arcturus are visible all month long.

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International Observe the Moon Night

illustration of hand reaching up and pointing toward the moon in the night sky

An annual opportunity to enjoy the Moon with others around the globe